import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  // timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    if (response.status !== 200 && response.data === '') {
      store.dispatch('user/resetToken').then(() => {
        location.reload()
      })
      return response
    } else {
      const res = response.data
      // if the custom code is not 20000, it is judged as an error.
      if (res !== '') {
        if (res.status !== 0) {
          console.log('123123123')
          // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
          if (res.status === 999201) {
            // to re-login
            MessageBox.confirm('登录已过期, 请退出重新登录', '确认退出', {
              confirmButtonText: '重新登录',
              cancelButtonText: '取消',
              type: 'warning'
            }).then(() => {
              store.dispatch('user/resetToken').then(() => {
                location.reload()
              })
            })
          } else {
            Message({
              message: res.msg || 'Error',
              type: 'error',
              duration: 5 * 1000
            })
          }
          return Promise.reject(new Error(res.message || 'Error'))
        } else {
          let responseData=res.returnData;
          if(res.big_data){
            responseData={returnData:responseData,big_data:res.big_data}
          }
          return responseData
        }
      }

    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
